The areal extent of the cold pool in the northern Bering Sea (NBS), as measured during the
bottom trawl survey (Jun-Aug; strata 70, 71, and 81; 2010, 2017, 2019, 2021–2023), decreased
between 2010 and 2019, but returned to the time series average in 2023. The 2023 extent (83,797
km2) was similar to 2022.